Make sure you don't have the comma separating thousands in your data.
Otherwise CSV will not work.
george
On Nov 22, 2005, at 4:42 AM, Bill Rowe wrote:
> On 11/21/05 at 3:54 AM, yanshanguke at 163.com (deepthinker) wrote:
>
>> I want to import a data file that produced by spectrometer into
>> mathemathica and fit the data. The file is in text format
>> ("data.txt"). The data in the file is characters: first line:some
>> descriptions. second line: 200, 45.5. third line: 201,44.3. and so
>> on. If you open the file "data.txt", you will see:
>
>> transmission ratio by UV-3150
>> 200, 45.5
>> 201,44.3
>> 202,44.6
>> 203,46.7
>> ....
>> 1,000,75.5
>> 1,000,76.3
>
>> How to import these data in to mathematica 5.0 and plot the figure?
>
> Probably the simplest way to deal with this file would be to use
> Import. That is:
>
> data=Cases[Import["data.txt", "CSV"], {_?NumberQ,_?NumberQ}];
> ListPlot[data];
>
> Should do what you want.
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